Welcome.

Diamonds Standards Organization (DSO) protects the Professionals and reassures the Customers on the ethical sourcing of diamonds and gemstones.

Customers sensible to the ethical footprint of natural polished diamonds and gemstones find reassurance in the commitment to ethical compliance of the DSO Members.

The DSO Certified Ethical Traders (CET) can issue certificates to accompany the jewellery purchase that confirm that the diamonds and gemstones are natural and of ethical provenance.

DSO facilitates trade by standardizing ethical compliance in natural polished diamonds and gemstones. All industry professionals that operate under the international trade regulations are eligible for membership.

DSO Members comply with the international trade regulations. DSO Certified Ethical Traders may assign a Certificate of Ethical Compliance (CEC) to diamonds and gemstones in accordance with the DSO Professional Code of Practice.

DSO is a Swiss non-profit international organization set up to safeguard consumers and professionals around the world on the ethical compliance of natural polished diamonds and gemstones.